brid3536 brid3536

03-02-2022
Health

contestada

Why does the first heart sound occur after the qrs complex?.

Respuesta :

arayahes arayahes

03-02-2022

Answer:

QRS represents ventricular depolarization. This depolarization initiates ventricular contraction which closes the mitral and tricuspid valves. It is the closure that is heard as the first heart sound.

Explanation:

Answer Link

Otras preguntas

1. When someone throws an object in the air, what makes the object fall toward Earth? 2. When you have a baseball catch, what causes the forward motion of the b

A car moved at a speed of 90km/hr for 3 minutes.What distance did it cover?

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box. Box (x minus 3) + 2 x = negative (x minus 5

What is the molarity of a solution that contains 4.87 g KCI (74.55 g/mol) dissolved in in 500.0 ml water?

Help please it for my mths

Which concept in the Beauty and the Beast is most similar to the story of Shakespeare's King Lear? A. An impoverished girl transforms into a princess. OB. A wea

Jacob estimates the square root of 75 in the following way: √75=3√25=3 * 5=15 (a) Explain why his reasoning is incorrect. (b) Estimate the square root of 75 to

What is the answer for this question 5 1/2=1/2x

After the Romans evacuated their troops Britain was left with- A) a strong enemy B) a system of roads and architecture C) Latin as an official language D) a

A runner finishes the first 10,000 meters of a race in 24 minutes. What is the runner’s speed?